Vodacom Interfere with Cancelling of Cell Phone Contracts

In October 2018 I went into the Walk in Center at Vodaworld to cancel my contract. I have still 8 months later been receiving bills. Finally, finally someone emailed back to say I must send a fax to a number. The number she gave me was wrong. I then found the paperwork I filled out at the Vodacom Walk in Center in October and they provided a fax number on their form. Guess what ? It turns out the fax number they give on their form does not exist either. Vodacom do not want you to be able to cancel their contracts with you!!!!! The number I want to cancel is ********** 149 . You can call me on ********** 7 to arrange this.